<template>
    <div class="mui-numbox" data-numbox-min='1'>
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" @change="countChanged" ref="numbox" class="mui-input-numbox" type="number" value="1" />
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'
export default {
    mounted() {
        mui(".mui-numbox").numbox()
    },
    methods: {
        countChanged(){
            this.$emit('getcount', parseInt(this.$refs.numbox.value))
        }   
    },
    props: [
        "max"
    ],
    watch: {
        //监听max由undefined变成具体值的过程
        max: function(newVal){
            mui(".mui-numbox").numbox().setOption("max",newVal)
        }   
    }
}
</script>

<style lang="scss" scoped>

</style>